States · Pennsylvania · York County

Stonybrook, Pennsylvania.

A community in York County, with no city government of its own. Zillow publishes no home prices for it: see York County’s.

Living in Stonybrook, York County, Pennsylvania

Stonybrook, in York County, had 3,281 people in the 2020 census. Unemployment in York County was 3.9% in August 2026, and the county had 0.1% more jobs in 2025 than the year before. The most people in York County work in schools and health care, then manufacturing.

People 3,281 in the 2020 census
Household income Too few homes in Stonybrook for the Census survey to measure.
Unemployment 3.9% York County, August 2026; 5.0% a year before
Homes Too few homes in Stonybrook for the Census survey to measure.
  • 1,174households
  • 45%of adults have a degree
  • 2%below the poverty line
  • 24 mintypical commute
  • 9%work from home

What people in York County work in

  • Schools, hospitals and social care22%
  • Manufacturing15%
  • Shops (retail)11%
  • Professional and business services10%
  • Building trades8%
  • Transport, warehouses and utilities7%

Employed residents by industry, from the Census survey. York County had 182,806 jobs in 2025, 0.1% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 41° and 21°; warmest in July, 88° and 63° 20° 40° 60° 80° J 41° 21° F M A M J J 88° 63° A S O N D
Average daily high and low for each month: coldest in January, 41° and 21°; warmest in July, 88° and 63° 20° 40° 60° 80° J 41° 21° F M A M J J 88° 63° A S O N D

Coldest in January, with highs near 41° and lows near 21°; warmest in July, with highs near 88° and lows near 63°. About 25 inches of snow and 46 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the York Ssw Pump Station weather station, 8 miles away (NOAA).

Largest workplaces in Stonybrook

  1. Kinsley SteelFabricated structural metal manufacturing233
  2. American Hydro Corporation, YorkWater turbines manufacturing164
  3. JLS AutomationCarton filling machinery manufacturing132
  4. Hood Container YorkCorrugated box mfg119
  5. Apex Tool GroupChain, welded, made from purchased wire114
  6. AMZ ManufacturingPlating metals and metal products for the trade105
  7. Our HomeBakery products, dry, manufacturing50
  8. Flinchbaugh EngineeringMachine shops41

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 9 workplaces with 20 or more staff, 996 people in all. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Winter weatherRelatively high
  2. HurricanesRelatively moderate
  3. Strong windRelatively moderate
  4. LightningRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Stonybrook’s census tracts, against the rest of the country; all of them together, relatively low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on York County.